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What is the name of the process of adjus...

What is the name of the process of adjusting focal length of eye lens ?

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Accommodation of lens
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. From the above figure, where is the object ?

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  2. From the given figure, what is the focal length of eye lens ?

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  3. What is the name of the process of adjusting focal length of eye lens ...

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  4. Some people cannot see objects at long distance, but can see near obje...

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  5. Which of the following shows myopia ? f("max") of eye lens is:

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  6. What is the vision defect in the given figure ?

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  7. Which lens can be used to correct the vision defect given in the above...

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  8. What is point 'M' ? (In the above figure)

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  9. Myopia patients cannot see the objects

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  10. Which lens can bring the image of the object kept beyond far point, be...

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  11. Write a formula to find focal length of a bi-concave lens, if distance...

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  12. f= -D. What does negative sign indicate in the above formula ?

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  13. For an object at infinite distance, what do you substitute for 'u' in ...

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  14. Which defect of vision does occur, when the eye has a minimum focal le...

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  15. Which vision defect is called as "far sightedness" ?

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  16. Name the vision defect found in the figure.

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  17. What is represented by 'H', given in the above figure ?

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  18. Which lens is used to rectify the vision defect, hypermetropia ?

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  19. What is the focal length of bi-convex lens to use to correct a hyperme...

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  20. What is the vision defect, when the ability of accommodation of the ey...

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